* Copyright (c) 1989 The Regents of the University of California.
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
#if defined(LIBC_SCCS) && !defined(lint)
static char sccsid
[] = "@(#)getgrent.c 5.9 (Berkeley) 4/1/91";
#endif /* LIBC_SCCS and not lint */
static struct group _gr_group
;
static int grscan(), start_gr();
static char *members
[MAXGRP
];
#define MAXLINELENGTH 1024
static char line
[MAXLINELENGTH
];
if (!_gr_fp
&& !start_gr() || !grscan(0, 0, NULL
))
rval
= grscan(1, 0, name
);
return(rval
? &_gr_group
: NULL
);
rval
= grscan(1, gid
, NULL
);
return(rval
? &_gr_group
: NULL
);
return((_gr_fp
= fopen(_PATH_GROUP
, "r")) ? 1 : 0);
grscan(search
, gid
, name
)
register int search
, gid
;
char *fgets(), *strsep(), *index();
if (!fgets(line
, sizeof(line
), _gr_fp
))
/* skip lines that are too big */
if (!index(line
, '\n')) {
while ((ch
= getc(_gr_fp
)) != '\n' && ch
!= EOF
)
_gr_group
.gr_name
= strsep(&bp
, ":\n");
if (search
&& name
&& strcmp(_gr_group
.gr_name
, name
))
_gr_group
.gr_passwd
= strsep(&bp
, ":\n");
if (!(cp
= strsep(&bp
, ":\n")))
_gr_group
.gr_gid
= atoi(cp
);
if (search
&& name
== NULL
&& _gr_group
.gr_gid
!= gid
)
for (m
= _gr_group
.gr_mem
= members
;; ++m
) {
if (m
== &members
[MAXGRP
- 1]) {
if ((*m
= strsep(&bp
, ", \n")) == NULL
)